Ordering number : ENA0226
Monolithic Linear IC
LA1863M
Overview
Single-Chip Tuner System for
Car Radios
The LA1863M is a high-performance multifunction (FM IF, noise canceller, MPX, and MRC) single-chip car tuner
system IC that can easily implement high-quality FM tuners with superlative cost-performance characteristics.
Functions
•
FM IF.
•
Noise canceller.
•
MPX.
•
MRC (Multipath noise reduction circuit).
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Pins 4 and 31
Conditions
Ratings
9.2
740
-40 to +85
-40 to +150
Unit
V
mW
°C
°C
Operating Conditions
at Ta = 25°C
Parameter
Recommended supply voltage
Symbol
VCC
VCC ST/SD
Operating supply voltage range
VCC op
Pins 4 and 31
Pins 29 and 44
Conditions
Ratings
8.0
5.0
7.0 to 9.0
Unit
V
V
V
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
92706 / 12506 MS OT B8-2760 No.A0226-1/6
LA1863M
Operating Characteristics
at Ta = 25°C, VCC = 8.0V, in the specified test circuit, FM IF input.
Note that these tests are made using an IC socket, model IC-51-044-467 (Yamaichi Electronics Co., Ltd).
Parameter
FM Characteristics
Current drain
Demodulation output
Channel balance
Total harmonic distortion
Signal-to-noise ratio - IF
AM rejection ratio - IF
Muting attenuation
ICCO-FM
VO-FM
CB
THD-FM mono
S/N-FM IF
AMR IF
Att-1
Att-2
Separation
Stereo on level
Stereo off level
Total harmonic distortion - main
Pilot cancellation
Separation
ST-ON
ST-OFF
THD-main L
PCAN
No input (I4 + I31)
10.7MHz, 100dBμ, 1kHz, 100% modulation,
The pin 7 output
10.7MHz, 100dBμ, 1kHz, 100% modulation,
The ration of pin 7 to pin 8 referenced to pin 7.
10.7MHz, 100dBμ, 1kHz, 100% modulation,
pin 7
10.7MHz, 100dBμ, 1kHz, 100% modulation,
pin 7
10.7MHz, 100dBμ, 1kHz, fm = 1kHz, 30% AM,
pin 7
10.7MHz, 100dBμ, 1kHz, when V22 goes from 0 to 1V.
The attenuation at pin 7.
10.7MHz, 100dBμ, 1kHz, when V22 goes from 0 to 2V.
The attenuation at pin 7.
10.7MHz, 100dBμ, L+R = 90%, pilot = 10%,
the pin 7 output ratio
The pilot modulation such that V44 becomes less than
0.5V
The pilot modulation such that V44 becomes greater
than 3.5V
10.7MHz, 100dBμ, L+R = 90%, pilot = 10%, pin 7
10.7MHz, 100dBμ, pilot = 10%
The pin 7 signal/pilot level leakage
DIN audio filter
SCN output voltage
SCN output attenuation
HCC output attenuation
VO SUB
AttSNC
AttHCC-1
AttHCC-2
Input limiting voltage
Vi-lim
10.7MHz, 100dBμ, L-R = 90%, pilot = 10%,
V13 = 0.1V, pin 7
10.7MHz, 100dBμ, L-R = 90%, pilot = 10%,
V13 = 3V→0.6V, pin 7
10.7MHz, 100dBμ, 10kHz, L+R = 90%, pilot = 10%,
V14 = 3V→0.6V, pin 7
10.7MHz, 100dBμ, 10kHz, L+R = 90%, pilot = 10%,
V14 = 3V→0.1V, pin 7
10.7MHz, 100dBμ, 100% modulation
The IF input such that the input referenced output is
down by -3dB
When the soft muting function is operating
Muting attenuation
SD sensitivity
IF counter buffer output
AM output
S-meter output
Vi-mute
SD-sen
VIFBUFF-FM
VO-AM
VSM FM-1
VSM FM-2
VSM FM-3
VSM FM-4
Muting attenuation
Mute drive output
BW-Mute
VMute-100
The IF input level when V23 = 2V, no modulation
The IF input such that the SD pin voltage (V29)
becomes over 3.5V, no modulation
10.7MHz, 100dBμ, no modulation
The pin 19 output, no modulation
In AM mode, the pin 7 output
(AC2 = 300mVrms, 1kHz, pin 20 input)
No input, the pin 32 DC output, no modulation
50dBμ, the pin 32 DC output, no modulation
70dBμ, the pin 32 DC output, no modulation
100dBμ, the pin 32 DC output, no modulation
100dBμ, the bandwidth when V23 = 2V, no modulation
100dBμ, the pin 32 DC output, no modulation
234
0.0
1.0
2.3
4.7
110
0.00
330
0.1
2.1
3.5
6.0
190
0.03
466
0.3
3.3
5.3
6.7
290
0.20
mVrms
V
V
V
V
kHz
V
160
230
320
mVrms
29
64
37
74
45
84
dBμ
dBμ
2.0
2.0
6.0
32
3.0
6.0
6.0
10.0
41
10.0
10.0
10.0
14.0
50
mVrms
dB
dB
dB
dBμ
20
0.3
35
1.0
%
dB
0.8
1.9
%
1.5
2.9
5.0
%
30
40
dB
28
33
38
dB
20
25
30
dB
57
70
dB
73
80
dB
0.2
1.0
%
-1.0
0
+1.0
dB
40
175
55
260
70
350
mA
mVrms
Symbol
Conditions
min
Ratings
typ
max
Unit
Continued on next page.
No.A0226-2/6
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